package com.cxs.xiaomi.web.filter;

import javax.servlet.*;
import javax.servlet.annotation.WebFilter;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/*
 * @Author:cxs
 * @Date:2021/9/14  15:55
 * @Version 1.0
 * @Motto:放下杂念,只为迎接明天更好的自己
 * 字符编码过滤器
 * */
@WebFilter(filterName = "CharacterEncodingFilter", urlPatterns = "/*")
public class CharacterEncodingFilter implements Filter {
    public void destroy() {
    }

    public void doFilter(ServletRequest req, ServletResponse resp, FilterChain chain) throws ServletException, IOException {
        HttpServletRequest request = (HttpServletRequest) req;
        HttpServletResponse response = (HttpServletResponse) resp;
        request.setCharacterEncoding("utf-8");
        chain.doFilter(request, response);
    }

    public void init(FilterConfig config) throws ServletException {

    }
}
